Cyber Resilience

CVE-2024-50928

MediumPublic PoC

Published: 10 December 2024

Published
10 December 2024
Modified
01 July 2025
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0011 28.2th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-50928 is a medium-severity Improper Preservation of Permissions (CWE-281) vulnerability in Silabs Z-Wave Software Development Kit. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Network Denial of Service (T1498); ranked at the 28.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Insecure permissions in Silicon Labs (SiLabs) Z-Wave Series 700 and 800 v7.21.1 allow attackers to change the wakeup interval of end devices in controller memory, disrupting the device's communications with the controller.

CWE(s)
CWE-281

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1498 Network Denial of Service Impact
Adversaries may perform Network Denial of Service (DoS) attacks to degrade or block the availability of targeted resources to users.
attack.mitre.org →
Why these techniques?

Insecure permissions enable modification of Z-Wave end device wakeup intervals in controller memory, disrupting communications and aligning with Network Denial of Service (T1498).

Affected Assets

silabs
z-wave software development kit
≤ 7.21.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

PS-5 Personnel Transfer
addresses: CWE-281

Forces removal or modification of permissions no longer required after reassignment, preventing improper preservation of old access rights.

References